Examples with HalfFace org.twak.utils.geom.HalfMesh2.HalfFace used on opensource projects

Example 26 with HalfFace

use of org.twak.utils.geom.HalfMesh2.HalfFace in project chordatlas by twak.

the class SkelFootprint method dbgCountProfileEdges.

private void dbgCountProfileEdges(SolverState SS) {
    Set<SuperLine> used = new HashSet<>();
    for (HalfFace f : SS.mesh) for (HalfEdge e : f) {
        used.add(((SuperEdge) e).profLine);
    }
    used.remove(null);
    System.out.println("Input sweep edges: " + used.size());
}

Example 27 with HalfFace

use of org.twak.utils.geom.HalfMesh2.HalfFace in project chordatlas by twak.

the class SkelFootprint method buildFootprint.

public SolverState buildFootprint(List<Line> footprint, ProgressMonitor m, FeatureCache features, BlockGen blockGen) {
    MultiMap<MegaFeatures, MFPoint> minis = features == null ? null : features.createMinis(blockGen);
    Map<SuperEdge, double[]> profFit = new HashMap();
    HalfMesh2 mesh = boundMesh(footprint);
    globalProfs = null;
    Collections.sort(footprint, megaAreaComparator);
    for (Line l : footprint) {
        MegaFacade mf = ((SuperLine) l).getMega();
        if (mf.area < megaFacadeAreaThreshold)
            break;
        insert(mesh, l, 2, true, true);
        if (m.isCanceled())
            return null;
    }
    if (features != null)
        fractureOnFeatures(minis, footprint, mesh);
    m.setProgress(2);
    if (!TweedSettings.settings.useGreedyProfiles) {
        globalProfs = new ArrayList();
        findProfiles(footprint, globalProfs);
        calcProfFit(mesh, globalProfs, profFit, m);
    }
    if (FALSE && profMergeTol > 0)
        mergeOnProfiles(mesh, footprint);
    if (exitA)
        return new SolverState(mesh, minis, globalProfs, profFit, footprint);
    System.out.println("sampling...");
    for (HalfFace f : mesh) meanModeHeightColor(Loopz.from(f), (SuperFace) f, blockGen);
    pushHeightsToSmallFaces(mesh);
    for (HalfFace f : new ArrayList<>(mesh.faces)) {
        SuperFace sf = (SuperFace) f;
        if (sf.height < heightCutoff)
            sf.remove(mesh);
    }
    removeExposedFaces(mesh);
    return new SolverState(mesh, minis, globalProfs, profFit, footprint);
}

Example 28 with HalfFace

use of org.twak.utils.geom.HalfMesh2.HalfFace in project chordatlas by twak.

the class SkelFootprint method fractureOnFeatures.

private void fractureOnFeatures(MultiMap<MegaFeatures, MFPoint> minis, List<Line> footprint, HalfMesh2 mesh) {
    for (MegaFeatures mf : minis.keySet()) pt: for (MFPoint pt : minis.get(mf)) {
        if (!Mathz.inRange(mf.megafacade.findPPram(pt), 0, 1))
            continue;
        Vector2d dir = pt.mega.megafacade.dir();
        dir.set(dir.y, -dir.x);
        Point2d probe = new Point2d(dir);
        probe.scale(2 / dir.length());
        probe.add(pt);
        for (// don't fracture near minifacade boundaries...we can't distinguish nice block bondaries
        Point2d avoid : // don't fracture near minifacade boundaries...we can't distinguish nice block bondaries
        pt.mega.megafacade.points()) if (avoid.distanceSquared(pt) < 4)
            continue pt;
        double bestDist = Double.MAX_VALUE;
        for (HalfFace f : mesh.faces) for (HalfEdge e : f) if (e.line().dir().angle(dir) < 0.4) {
            double dist = e.line().distance(probe);
            if (dist < bestDist)
                bestDist = dist;
        }
        if (bestDist > 0.3) {
            Vector2d end = new Vector2d(dir);
            end.scale(3 / end.length());
            end.add(probe);
            Vector2d start = new Vector2d(dir);
            start.scale(0.5 / start.length());
            start.add(pt);
            Line extra = new Line(new Point2d(start), new Point2d(end));
            SkelFootprint.insert(mesh, extra, 2, false, false);
        }
    }
}